alexa Evaluating Irrigation Scheduling Efficiency of Paddy Ri
ISSN: 2168-9768

Irrigation & Drainage Systems Engineering
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Research Article

Evaluating Irrigation Scheduling Efficiency of Paddy Rice and Berseem Fodder Crops in Sandy Loam Soil

Hatiye SD1*, Hari Prasad KS1, Ojha CSP1, Kaushika GS1 and Adeloye AJ2

1Department of Civil Engineering, Indian Institute of Technology, Roorkee, India

2Institute for Infrastructure and Environment, Heriot-Watt University, Edinburgh, UK

*Corresponding Author:
Hatiye SD
Professor, Department of Civil Engineering
Indian Institute of Technology, Roorkee, India
E-mail:[email protected]

Received September 16, 2015; Accepted September 25, 2015; Published October 02, 2015

Citation: Hatiye SD, Hari Prasad KS, Ojha CSP, Kaushika GS, Adeloye AJ (2015) Evaluating Irrigation Scheduling Efficiency of Paddy Rice and Berseem Fodder Crops in Sandy Loam Soil. Irrigat Drainage Sys Eng 4:147. doi:10.4172/2168-9768.1000147

Copyright: © 2015 Hatiye SD, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



In this study, irrigation scheduling efficiency of two field crops; paddy rice and berseem fodder, grown in unpuddled sandy loam soil for a typical existing and imposed irrigations has been evaluated using the WINISAREG water balance and irrigation scheduling model that was calibrated and validated using data collected at field experimental plot in Roorkee, India. During the 1st season of each crop, typical irrigation schedules as practiced in the farmers’ field was followed while in the 2nd crop season, a reduced irrigation schedule was imposed aiming for water saving. Water balance components were monitored daily during the crop growth periods. Deep percolation was measured using drainage type lysimeters. Soil moisture content in the root zone was observed using soil moisture profile probe (PR2/6). The crops were provided with all the necessary inputs including fertilizer, pesticide and weeding operations following agronomic practices of the area. The results show that nearly 82-87% of the input water goes to deep percolation during paddy season-1 (continuous irrigation period) while 64%-70% of input water was lost through deep percolation during berseem season-1. Due to the imposed irrigation, the deep percolation has been reduced to nearly 78-80% of input water during paddy season-2 and 42-52% of input water during berseem season-2 besides large input water saving in the crop seasons. The large input water saving was due to alternative irrigation scheduling strategy whose efficiency has been significantly improved. Irrigation scheduling efficiency has been increased from 9.65% to 30.5% for paddy and 23% to 92% for berseem. In particular, comparative irrigation water saving of 64-74% in paddy season and 82-88% in berseem season was achieved with nominal yield penalty. This study shows the possibility of large volume of water saving in water intensive crops such as paddy rice and berseem fields under un-puddled sandy loam soils by considering a reduced irrigation scheduling option.


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